sm8450-common: overlay: Add automatic brightness config and enable by default

Change-Id: I9f99a999d4ca477cb303b87ee51a0f6273e7edfb

common.mk

@@ -78,6 +78,7 @@ PRODUCT_PACKAGES += \
 PRODUCT_PACKAGES += \
     FrameworksResTarget_Vendor \
     FrameworksResXiaomi \
+    SettingsProviderResXiaomi \
     WifiResTarget \
     WifiResTarget_spf
 

overlay/FrameworksResXiaomi/res/values/config.xml

@@ -20,4 +20,352 @@
          -2 is invalid so setting will resort to int value specified above.
          Must be in the range specified by minimum and maximum. -->
     <item format="float" name="config_screenBrightnessSettingDefaultFloat" type="dimen">0.5</item>
+
+    <!-- Stability requirements in milliseconds for accepting a new brightness level.  This is used
+         for debouncing the light sensor.  Different constants are used to debounce the light sensor
+         when adapting to brighter or darker environments.  This parameter controls how quickly
+         brightness changes occur in response to an observed change in light level that exceeds the
+         hysteresis threshold. -->
+    <integer name="config_autoBrightnessBrighteningLightDebounce">1000</integer>
+    <integer name="config_autoBrightnessDarkeningLightDebounce">1000</integer>
+
+    <!-- The maximum range of gamma adjustment possible using the screen
+         auto-brightness adjustment setting. -->
+    <fraction name="config_autoBrightnessAdjustmentMaxGamma">100.0%</fraction>
+
+    <!-- Array of light sensor lux values to define our levels for auto backlight brightness support.
+         The N entries of this array define N + 1 control points as follows:
+         (1-based arrays)
+
+         Point 1:            (0, value[1]):             lux <= 0
+         Point 2:     (level[1], value[2]):  0        < lux <= level[1]
+         Point 3:     (level[2], value[3]):  level[2] < lux <= level[3]
+         ...
+         Point N+1: (level[N], value[N+1]):  level[N] < lux
+
+         The control points must be strictly increasing.  Each control point
+         corresponds to an entry in the brightness backlight values arrays.
+         For example, if lux == level[1] (first element of the levels array)
+         then the brightness will be determined by value[2] (second element
+         of the brightness values array).
+
+         Spline interpolation is used to determine the auto-brightness
+         backlight values for lux levels between these control points.
+
+         Must be overridden in platform specific overlays -->
+    <integer-array name="config_autoBrightnessLevels">
+        <item>1</item>
+        <item>2</item>
+        <item>4</item>
+        <item>6</item>
+        <item>8</item>
+        <item>10</item>
+        <item>15</item>
+        <item>20</item>
+        <item>25</item>
+        <item>30</item>
+        <item>35</item>
+        <item>40</item>
+        <item>45</item>
+        <item>50</item>
+        <item>55</item>
+        <item>60</item>
+        <item>65</item>
+        <item>70</item>
+        <item>75</item>
+        <item>80</item>
+        <item>85</item>
+        <item>90</item>
+        <item>95</item>
+        <item>100</item>
+        <item>120</item>
+        <item>140</item>
+        <item>160</item>
+        <item>180</item>
+        <item>200</item>
+        <item>220</item>
+        <item>240</item>
+        <item>260</item>
+        <item>280</item>
+        <item>300</item>
+        <item>320</item>
+        <item>340</item>
+        <item>360</item>
+        <item>380</item>
+        <item>400</item>
+        <item>420</item>
+        <item>440</item>
+        <item>460</item>
+        <item>480</item>
+        <item>500</item>
+        <item>700</item>
+        <item>900</item>
+        <item>1100</item>
+        <item>1300</item>
+        <item>1500</item>
+        <item>1700</item>
+        <item>1900</item>
+        <item>2000</item>
+        <item>2500</item>
+        <item>3000</item>
+        <item>3500</item>
+        <item>4000</item>
+        <item>4500</item>
+        <item>5000</item>
+        <item>5500</item>
+        <item>6000</item>
+        <item>6500</item>
+        <item>7000</item>
+        <item>7500</item>
+        <item>8000</item>
+        <item>8500</item>
+        <item>9000</item>
+        <item>9500</item>
+        <item>10000</item>
+        <item>10500</item>
+        <item>11000</item>
+        <item>11500</item>
+        <item>12000</item>
+        <item>12500</item>
+        <item>13000</item>
+        <item>13500</item>
+        <item>14000</item>
+        <item>14500</item>
+        <item>15000</item>
+        <item>16000</item>
+        <item>17000</item>
+        <item>18000</item>
+        <item>19000</item>
+        <item>20000</item>
+        <item>21000</item>
+        <item>22000</item>
+        <item>23000</item>
+        <item>24000</item>
+        <item>25000</item>
+        <item>26000</item>
+        <item>27000</item>
+        <item>28000</item>
+        <item>29000</item>
+        <item>30000</item>
+        <item>35000</item>
+        <item>40000</item>
+        <item>45000</item>
+        <item>50000</item>
+        <item>55000</item>
+        <item>60000</item>
+        <item>65000</item>
+        <item>70000</item>
+        <item>75000</item>
+        <item>80000</item>
+        <item>85000</item>
+        <item>90000</item>
+        <item>95000</item>
+        <item>100000</item>
+    </integer-array>
+
+    <!-- Array of output values for LCD backlight corresponding to the lux values
+         in the config_autoBrightnessLevels array.  This array should have size one greater
+         than the size of the config_autoBrightnessLevels array.
+         The brightness values must be between 0 and 255 and be non-decreasing.
+         This must be overridden in platform specific overlays -->
+    <integer-array name="config_autoBrightnessLcdBacklightValues" />
+
+    <!-- Array of desired screen brightness in nits corresponding to the lux values
+         in the config_autoBrightnessLevels array. The display brightness is defined as the measured
+         brightness of an all-white image.
+
+         If this is defined then:
+            - config_autoBrightnessLcdBacklightValues should not be defined
+            - config_screenBrightnessNits must be defined
+            - config_screenBrightnessBacklight must be defined
+
+         This array should have size one greater than the size of the config_autoBrightnessLevels
+         array. The brightness values must be non-negative and non-decreasing. This must be
+         overridden in platform specific overlays -->
+    <array name="config_autoBrightnessDisplayValuesNits">
+        <item>2.0</item>
+        <item>2.5</item>
+        <item>2.8</item>
+        <item>16.3</item>
+        <item>26.2</item>
+        <item>32.0</item>
+        <item>36.9</item>
+        <item>49.4</item>
+        <item>63.7</item>
+        <item>82.5</item>
+        <item>89.9</item>
+        <item>91.6</item>
+        <item>91.6</item>
+        <item>91.6</item>
+        <item>93.0</item>
+        <item>93.0</item>
+        <item>93.0</item>
+        <item>94.6</item>
+        <item>94.6</item>
+        <item>95.7</item>
+        <item>95.7</item>
+        <item>95.7</item>
+        <item>95.7</item>
+        <item>97.2</item>
+        <item>97.2</item>
+        <item>98.4</item>
+        <item>101.2</item>
+        <item>102.2</item>
+        <item>103.8</item>
+        <item>106.3</item>
+        <item>107.7</item>
+        <item>110.2</item>
+        <item>111.6</item>
+        <item>114.0</item>
+        <item>115.2</item>
+        <item>116.5</item>
+        <item>120.4</item>
+        <item>121.1</item>
+        <item>122.6</item>
+        <item>125.3</item>
+        <item>126.5</item>
+        <item>128.7</item>
+        <item>129.6</item>
+        <item>132.1</item>
+        <item>134.0</item>
+        <item>156.3</item>
+        <item>174.4</item>
+        <item>193.5</item>
+        <item>223.4</item>
+        <item>252.0</item>
+        <item>290.1</item>
+        <item>315.4</item>
+        <item>332.4</item>
+        <item>404.2</item>
+        <item>433.1</item>
+        <item>446.1</item>
+        <item>460.9</item>
+        <item>474.8</item>
+        <item>488.7</item>
+        <item>500.0</item>
+        <item>500.0</item>
+        <item>512.5</item>
+        <item>525.0</item>
+        <item>537.5</item>
+        <item>550.0</item>
+        <item>562.5</item>
+        <item>575.0</item>
+        <item>587.5</item>
+        <item>600.0</item>
+        <item>610.0</item>
+        <item>620.0</item>
+        <item>630.0</item>
+        <item>640.0</item>
+        <item>650.0</item>
+        <item>660.0</item>
+        <item>670.0</item>
+        <item>680.0</item>
+        <item>690.0</item>
+        <item>700.0</item>
+        <item>705.0</item>
+        <item>710.0</item>
+        <item>715.0</item>
+        <item>720.0</item>
+        <item>725.0</item>
+        <item>730.0</item>
+        <item>735.0</item>
+        <item>740.0</item>
+        <item>745.0</item>
+        <item>750.0</item>
+        <item>755.0</item>
+        <item>760.0</item>
+        <item>765.0</item>
+        <item>770.0</item>
+        <item>775.0</item>
+        <item>800.0</item>
+        <item>816.7</item>
+        <item>833.3</item>
+        <item>850.0</item>
+        <item>866.7</item>
+        <item>883.3</item>
+        <item>900.0</item>
+        <item>914.3</item>
+        <item>928.6</item>
+        <item>942.9</item>
+        <item>957.1</item>
+        <item>971.4</item>
+        <item>985.7</item>
+        <item>1000.0</item>
+    </array>
+
+    <!-- An array describing the screen's backlight values corresponding to the brightness
+         values in the config_screenBrightnessNits array.
+
+         This array should be equal in size to config_screenBrightnessBacklight. -->
+    <integer-array name="config_screenBrightnessBacklight">
+        <item>1</item>
+        <item>255</item>
+    </integer-array>
+
+    <!-- An array of floats describing the screen brightness in nits corresponding to the backlight
+         values in the config_screenBrightnessBacklight array.  On OLED displays these  values
+         should be measured with an all white image while the display is in the fully on state.
+         Note that this value should *not* reflect the maximum brightness value for any high
+         brightness modes but only the maximum brightness value obtainable in a sustainable manner.
+
+         This array should be equal in size to config_screenBrightnessBacklight -->
+    <array name="config_screenBrightnessNits">
+        <item>2.0</item>
+        <item>850.0</item>
+    </array>
+
+    <!-- Array of ambient lux threshold values. This is used for determining hysteresis constraint
+         values by calculating the index to use for lookup and then setting the constraint value
+         to the corresponding value of the array. The new brightening hysteresis constraint value
+         is the n-th element of config_ambientBrighteningThresholds, and the new darkening
+         hysteresis constraint value is the n-th element of config_ambientDarkeningThresholds.
+
+         The (zero-based) index is calculated as follows: (MAX is the largest index of the array)
+         condition                       calculated index
+         value < level[0]                0
+         level[n] <= value < level[n+1]  n+1
+         level[MAX] <= value             MAX+1 -->
+    <integer-array name="config_ambientThresholdLevels">
+        <item>2</item>
+        <item>10</item>
+        <item>30</item>
+        <item>100</item>
+        <item>800</item>
+        <item>2000</item>
+        <item>4000</item>
+    </integer-array>
+
+    <!-- Array of hysteresis constraint values for brightening, represented as tenths of a
+         percent. The length of this array is assumed to be one greater than
+         config_ambientThresholdLevels. The brightening threshold is calculated as
+         lux * (1.0f + CONSTRAINT_VALUE). When the current lux is higher than this threshold,
+         the screen brightness is recalculated. See the config_ambientThresholdLevels
+         description for how the constraint value is chosen. -->
+    <integer-array name="config_ambientBrighteningThresholds">
+        <item>2</item>
+        <item>6</item>
+        <item>10</item>
+        <item>30</item>
+        <item>100</item>
+        <item>400</item>
+        <item>600</item>
+        <item>1000</item>
+    </integer-array>
+
+    <!-- Array of hysteresis constraint values for darkening, represented as tenths of a
+         percent. The length of this array is assumed to be one greater than
+         config_ambientThresholdLevels. The darkening threshold is calculated as
+         lux * (1.0f - CONSTRAINT_VALUE). When the current lux is lower than this threshold,
+         the screen brightness is recalculated. See the config_ambientThresholdLevels
+         description for how the constraint value is chosen. -->
+    <integer-array name="config_ambientDarkeningThresholds">
+        <item>800</item>
+        <item>800</item>
+        <item>500</item>
+        <item>500</item>
+        <item>500</item>
+        <item>500</item>
+        <item>500</item>
+        <item>500</item>
+    </integer-array>
 </resources>

overlay/SettingsProviderResXiaomi/Android.bp

@@ -0,0 +1,10 @@
+//
+// Copyright (C) 2022 The LineageOS Project
+//
+// SPDX-License-Identifier: Apache-2.0
+//
+
+runtime_resource_overlay {
+    name: "SettingsProviderResXiaomi",
+    vendor: true,
+}

overlay/SettingsProviderResXiaomi/AndroidManifest.xml

@@ -0,0 +1,10 @@
+<!--
+     Copyright (C) 2022 The LineageOS Project
+     SPDX-License-Identifier: Apache-2.0
+-->
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.providers.settings.overlay.xiaomi">
+    <overlay android:targetPackage="com.android.providers.settings"
+                   android:isStatic="true"
+                   android:priority="600"/>
+</manifest>

overlay/SettingsProviderResXiaomi/res/values/defaults.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2024 The LineageOS Project
+     SPDX-License-Identifier: Apache-2.0
+-->
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <bool name="def_screen_brightness_automatic_mode">true</bool>
+</resources>